Alkene
Functional group: C=C
Suffix: -ene
Alcohol
Functional group: -OH
Prefix: Hydroxy-
Suffix: -ol
Haloalkane
Functional: -Cl, -Br, -I
Prefix: Chloro-, Bromo-, Iodo-
Aldehyde
Functional: -CHO
Suffix: -al
Ketone
Functional: -C(CO)C- (CO double bond)
Suffix: -one
Carboxylic acid
Functional: -COOH (CO double bond)
Suffix: -ioc acid
Ester
Functional: -COOC- (CO double bond and C-O-C)
Suffix: -oate
Acyl chloride
Functional: -COCl
Suffix: -oyl chloride